<template>
  <div class="main">
    <div class="login-left-area">
      <img src="../assets/images/loginLeft_bg.png" />
      <div class="login-logo">数据库超融合智能纳管平台</div>
      <div class="login-symbol"></div>
      <div class="login-type-container">
        <div class="login-type login-rtm">
          <div class="login-name">实时监控</div>
          <div class="login-icon"></div>
        </div>
      </div>
    </div>

    <div class="login-right-area">
      <div class="login-field-area">
        <el-form
          ref="loginForm"
          :model="loginForm"
          :rules="loginRules"
          class="login-form"
        >
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="账号"
            >
              <svg-icon
                slot="prefix"
                icon-class="user"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                slot="prefix"
                icon-class="password"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>
          <!-- <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon
              slot="prefix"
              icon-class="validCode"
              class="el-input__icon input-icon"
            />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item> -->
          <el-form-item style="width: 100%">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width: 100%; background-color: #057397; border: none"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
        </el-form>
        <el-checkbox
          v-model="loginForm.rememberMe"
          style="margin: 0px 0px 25px 0px"
          >记住密码</el-checkbox
        >
        <div class="login-arrow"></div>
      </div>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    // this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.main {
  .login-left-area {
    position: absolute;
    width: 30%;
    height: 100%;

    img {
      height: 100%;
      width: 100%;
    }

    .login-logo {
      position: absolute;
      top: 60px;
      right: 47px;
      width: 385px;
      height: 72px;
      font-size: 32px;
      font-weight: 700;
      color: white;
    }

    .login-symbol {
      position: absolute;
      top: 35%;
      right: 46px;
      width: 113px;
      height: 116px;
      background-image: url("../assets/images/login_symbol_logo.png");
    }

    .login-type-container {
      position: absolute;
      top: 56%;
      right: 46px;
      width: 300px;
      height: 77px;
      color: #fff;
      text-align: right;

      .login-type {
        position: absolute;
        width: 100%;
        height: 31px;
        margin: 5px 0px;
        cursor: pointer;
        z-index: 1;
        transition: all 0.5s;

        .login-name {
          line-height: 31px;
          font-size: 18px;
        }
      }
    }
  }

  .login-right-area {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 70%;
    height: 100%;
    padding-left: 63px;
    background: #f5fafd;

    .login-field-area {
      position: absolute;
      top: 56%;
      height: 77px;
      padding-top: 4px;

      .login-arrow {
        position: absolute;
        top: 7px;
        left: -68px;
        width: 14px;
        height: 25px;
        background: url("../assets/images/arrow.png") no-repeat;
      }
    }
  }
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  display: flex;
  width: 650px;
  .el-form-item {
    flex: 1;
    margin-right: 22px;
  }
  // border-radius: 6px;
  // background: #ffffff;
  // width: 400px;
  // padding: 25px 25px 5px 25px;
  // .el-input {
  //   height: 38px;
  //   input {
  //     height: 38px;
  //   }
  // }
  // .input-icon {
  //   height: 39px;
  //   width: 14px;
  //   margin-left: 2px;
  // }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
